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1311562133441 = 7613071574083
BaseRepresentation
bin10011000101011111001…
…100011110111111000001
311122101101000112200120122
4103011133030132333001
5132442034401232231
62442305012150025
7163520506122260
oct23053714367701
94571330480518
101311562133441
114662596a517a
12192233608315
13968ab61cc11
14476a0d865d7
15241b400277b
hex1315f31efc1

1311562133441 has 8 divisors (see below), whose sum is σ = 1523500745664. Its totient is φ = 1105766669520.

The previous prime is 1311562133417. The next prime is 1311562133443. The reversal of 1311562133441 is 1443312651131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311562133441 - 26 = 1311562133377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311562133443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535786615 + ... + 1535787468.

It is an arithmetic number, because the mean of its divisors is an integer number (190437593208).

Almost surely, 21311562133441 is an apocalyptic number.

It is an amenable number.

1311562133441 is a deficient number, since it is larger than the sum of its proper divisors (211938612223).

1311562133441 is an equidigital number, since it uses as much as digits as its factorization.

1311562133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071574151.

The product of its digits is 25920, while the sum is 35.

Adding to 1311562133441 its reverse (1443312651131), we get a palindrome (2754874784572).

The spelling of 1311562133441 in words is "one trillion, three hundred eleven billion, five hundred sixty-two million, one hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 7 61 427 3071574083 21501018581 187366019063 1311562133441